- American Terra Cotta Company (5264)
- McCormack, John B. (1398)
- Wigington, Clarence Wesley, 1883-1967 (442)
- Howe, John H., 1913-1997 (381)
- Purcell, William Gray, 1880-1965 (344)
- Lundie, Edwin H. (299)
- Chicago Architectural Photographing Company (Photographer) (294)
- French, Wiiliam A. (291)
- Purcell & Elmslie (144)
- Ellis, Harvey, 1852-1904 (89)
- National Register of Historic Places (71)
- Whitney, William Channing, 1851-1945 (57)
- Gilbert, Cass, 1859-1934 (56)
- Norton, John W., 1876-1934 (50)
- Taylor, James Knox, 1857-1929 (50)
- Nicol, Charles Wheeler (Architect) (49)
- McEnary, Krafft, Birch & Kilgore, Inc. (45)
- Public Art Review (42)
- The Design Collective Architects (41)
- Larsen and McLaren (40)